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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Tuesday 12 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
12.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 4AM is: 0.1m 9s primary swell from a Southwest direction (forecast issued at 12:00am May 12). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 0.5ft (0.1m) | 19s |
| Afternoon (12 May) | 0.5ft (0.1m) | 18s |
| Evening (12 May) | 0.5ft (0.1m) | 18s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Very mild (max 12°C on Tue night, min 8°C on Mon night). Winds increasing (light winds from the NW on Mon night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 8 | SW 9 | W 19 | SW 9 | W 18 | W 18 | W 18 | SW 8 | SW 8 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | NW 6 | WSW 7 | WSW 6 | NW 7 | NW 7 | NW 7 | NW 7 | SW 15 | SW 14 | W 15 | SW 14 | |
3 | 3 | 7 | 3 | 7 | 6 | 6 | 3 | 3 | 0 | 427 | 424 | 350 | 177 | 38 | 22 | 391 | 415 | 415 | 342 | 8 | 8 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | |
High Tide | 5:00AM3.35m | 5:41PM3.23m | 5:57AM3.67m | 6:31PM3.61m | 6:47AM4.01m | 7:16PM3.98m | ||||||||||||||||||
Low Tide | 11:28PM1.38m | 12:12PM1.00m | 00:29AM1.17m | 1:06PM0.74m | 1:23AM0.92m | 1:54PM0.50m | ||||||||||||||||||
 | |  |  |  | | |  | |  |  | | |  | | | | | | | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 8 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 9 | 9 | 8 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 |
5 | 6 | 4 | 3 | 3 | 6 | 6 | 4 | 0 | -1 | -3 | -2 | 0 | 1 | 3 | 0 | -2 | -1 | 0 | 0 | 1 | 2 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | NNW 4 | NNW 4 | SW 9 | SW 9 | SW 8 | SW 8 | NW 5 | SW 8 | SW 8 | — | — | W 16 | SW 16 | WSW 7 | WSW 7 | WSW 6 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 5 |
 kJ | 2 | 2 | 3 | 3 | 3 | 3 | 25 | 3 | 3 | — | — | 5 | 10 | 59 | 38 | 22 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 1 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 9 | — | — | W 18 | W 18 | SW 8 | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | W 16 | W 16 | W 16 | W 15 | SW 15 | — | W 15 | SW 14 |
| kJ | 3 | 3 | — | — | 7 | 6 | 3 | — | — | — | — | — | — | 10 | 10 | 10 | 5 | 5 | 5 | 5 | 8 | — | 4 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | W 19 | — | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 7 | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WNW 2 | WNW 4 | NW 4 | NW 5 | WSW 4 | WNW 4 | WNW 5 | WNW 6 | WNW 7 | WNW 7 | WNW 7 | NW 6 | NW 6 | NNW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 5 | NNW 5 |
| kJ | — | — | 1 | 11 | 43 | 46 | 3 | 24 | 100 | 217 | 427 | 424 | 350 | 177 | 137 | 209 | 391 | 415 | 415 | 342 | 269 | 142 | 90 | 49 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 200 | 191 | 191 | 317 | 326 | 317 | 317 | 317 | 307 | 317 | 318 | 634 | 1315 | 679 | 651 | 571 | 291 | 571 | 571 | 335 | 332 | 290 | 315 | 140 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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